Home/CVE/A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the
CVE

CVE-2025-6158

A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the

A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow.

It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

HIGH · CVSS 8.8 EPSS 0.01598
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

1
dlink dir-655 firmwareall versions
⚠

Public Exploits & PoCs

2
pocgithub.com · vul-find-dir665-dlinkgithub.com
pocgithub.com · vul-find-dir665-dlink#pocgithub.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jun 2025 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.312633Permissions RequiredVDB Entry
https://vuldb.com/?id.312633Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.593161Third Party AdvisoryVDB Entry
https://www.dlink.com/Product
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